HRP20180388T1 - Postupak proizvodnje silicijevog čeličnog lima orijentiranih zrna, električnog čeličnog lima orijentiranih zrna i njegova uporaba - Google Patents
Postupak proizvodnje silicijevog čeličnog lima orijentiranih zrna, električnog čeličnog lima orijentiranih zrna i njegova uporaba Download PDFInfo
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- HRP20180388T1 HRP20180388T1 HRP20180388TT HRP20180388T HRP20180388T1 HR P20180388 T1 HRP20180388 T1 HR P20180388T1 HR P20180388T T HRP20180388T T HR P20180388TT HR P20180388 T HRP20180388 T HR P20180388T HR P20180388 T1 HRP20180388 T1 HR P20180388T1
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- steel sheet
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- 238000004519 manufacturing process Methods 0.000 title claims 9
- 238000000034 method Methods 0.000 title claims 5
- 229910000976 Electrical steel Inorganic materials 0.000 title 1
- 229910001224 Grain-oriented electrical steel Inorganic materials 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 claims 13
- 239000010959 steel Substances 0.000 claims 13
- 238000000137 annealing Methods 0.000 claims 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 6
- 229910017082 Fe-Si Inorganic materials 0.000 claims 6
- 229910017133 Fe—Si Inorganic materials 0.000 claims 6
- 238000005097 cold rolling Methods 0.000 claims 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 3
- 229910052799 carbon Inorganic materials 0.000 claims 3
- 239000010960 cold rolled steel Substances 0.000 claims 3
- 238000001816 cooling Methods 0.000 claims 3
- 229910052757 nitrogen Inorganic materials 0.000 claims 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 2
- 229910052739 hydrogen Inorganic materials 0.000 claims 2
- 239000001257 hydrogen Substances 0.000 claims 2
- 230000006698 induction Effects 0.000 claims 2
- 238000001953 recrystallisation Methods 0.000 claims 2
- 238000005096 rolling process Methods 0.000 claims 2
- 239000011593 sulfur Substances 0.000 claims 2
- 229910052717 sulfur Inorganic materials 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000001186 cumulative effect Effects 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 239000000839 emulsion Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005098 hot rolling Methods 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000003303 reheating Methods 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000010583 slow cooling Methods 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14775—Fe-Si based alloys in the form of sheets
- H01F1/14783—Fe-Si based alloys in the form of sheets with insulating coating
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- C—CHEMISTRY; METALLURGY
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular fabrication or treatment of ingot or slab
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1222—Hot rolling
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1233—Cold rolling
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1261—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest following hot rolling
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1272—Final recrystallisation annealing
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1283—Application of a separating or insulating coating
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
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- C21D2211/00—Microstructure comprising significant phases
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Claims (11)
1. Postupak proizvodnje hladno valjanog Fe-Si čeličnog lima koji sadrži uzastopne korake koji se sastoje od:
- taljenja čeličnog pripravka koji sadrži masene postotke:
2.8 ≤ Si ≤ 4
0.4 ≤ Cu ≤ 0.6,
0.05 ≤ Mn ≤ 0.4,
0.001 ≤ Al ≤ 0.04,
0.025 ≤ C ≤ 0.05
0.005 ≤ N ≤ 0.02,
0.005 ≤ Sn ≤ 0.03
S < 0.015
i proizvoljno Ti, Nb, V ili B u kumuliranom iznosu ispod 0.02,
Mn/Sn ≤ 40,
2.0 ≤ C/N ≤ 5.0,
Al/N ≥ 1.20
poštujući sljedeće odnose:
i ravnotežu Fe i druge neizbježne nečistoće
- i proizvodnje ploče koja ima debljinu ne veću od 80 milimetara, tako da, nakon skrućivanja, navedena ploča se ne hladi ispod 850°C tijekom dulje od 5 minuta,
- ponovno zagrijavanje navedene ploče do temperature između 1080°C do 1200°C tokom barem 20 minuta,
- naknadno, vruće valjanje navedene ploče s prvim smanjivanjem debljine koje se odvija dok je temperatura navedene ploče temperature iznad 1060°C i zadnje smanjivanje debljine se odvija iznad završne temperature valjanja od 950°C kako bi se dobila vruća traka,
- hlađenje navedene vruće trake na temperaturu u rasponu između 500°C i 600°C unutar manje od 10 sekundi, zatim
- namatanje vruće trake pri čemu vruća traka Fe-Si sadrži manje od 60% Al topivog u kiselini u istaloženom obliku, navedeni talog uopće ne sadrži AlN taloge u rasponu veličina između 5 nm i 150 nm, zatim
- čišćenje njegove površine, zatim
- provođenje prvog koraka hladnog valjanja vruće trake s omjerom hladnog valjanja od barem 60% bez prethodnog žarenja navedene vruće trake, zatim
- provođenje koraka primarnog rekristalizacijskog žarenja na temperaturi T1 između 780°C i 920°C, čelika se održava na T1 kroz minimalno vrijeme t1 od 2 minute u atmosferi sastavljenoj od smjese vodika, dušika i vodene pare, zatim hlađenje do sobne temperature tako da se dobije čelika sa sadržajem ugljika ispod 0.004% i primarnom prosječnom veličinom zrna ispod 16 mikrometara nakon hlađenja, zatim
- provođenje drugog koraka hladnog valjanja s omjerom hladnog valjanja od barem 50% da se dobije kako bi se dobila hladno valjana čelična ploča konačne debljine, zatim
- taloženje sloja izolacijskog separatora na površinu navedene hladno valjane čelične ploče, zatim
- izolirani hladno valjani čelični lim prolazi kroz sekundarno žarenje u atmosferi koja sadrži vodik i dušik, brzina zagrijavanja čelika V1 je ispod 15°C na sat između 600°C i 1150°C, temperatura lima se održava na minimalnoj temperaturi T2 od 1150°C kroz minimalno vrijeme t2 od 600 minuta, ukupno vrijeme žarenja je iznad 120 sati kako bi se smanjio sadržaj svakog od sumpora i dušika ispod 0.001 % da se dobije sekundarna prosječna veličina zrna ispod 15 milimetara, te zatim
- provođenje sporog hlađenja do sobne temperature.
2. Postupak proizvodnje hladno valjanog Fe-Si čeličnog lima prema zahtjevu 1 naznačen time da je sadržaj sumpora manji od 0.010%.
3. Postupak proizvodnje hladno valjanog Fe-Si čeličnog lima prema zahtjevu 1 ili 2 naznačen time da je sadržaj ugljika između 0.025% i 0.032%.
4. Postupak proizvodnje hladno valjanog Fe-Si čeličnog lima prema bilo kojem od zahtjeva 1 do 3 naznačen time da se navedena ploča se lijeva s minimalnom brzinom od 4.0 metra po minuti.
5. Postupak proizvodnje hladno valjanog Fe-Si čeličnog lima prema bilo kojem od zahtjeva 1 do 4 naznačen time da je navedena završna temperatura valjanja barem 980°C.
6. Postupak proizvodnje prema bilo kojem od zahtjeva 1 do 5 naznačen time da, je čelični lim usmjerenih zrna obložen izolacijskim i zateznim premazom na osnovi koloidne silicijeve emulzije.
7. Postupak proizvodnje prema bilo kojem od zahtjeva 1 do 6 naznačen time da je nakon primarnog rekristalizacijskog žarenja, sadržaj ugljika u čeliku ispod 0.0025%.
8. Postupak proizvodnje prema bilo kojem od zahtjeva 1 do 7 naznačen time da je nakon primarnog žarenja, primarna prosječna veličina zrna ispod 10 mikrometara.
9. Postupak proizvodnje prema bilo kojem od zahtjeva 1 do 8 naznačen time da je nakon sekundarnog žarenja, sekundarna prosječna veličina zrna ispod 10 milimetara.
10. Čelični lim usmjerenih zrna dobiven postupkom prema bilo kojem od zahtjeva 1 do 9 iskazuje vrijednost indukcije na 800A/m iznad 1.870 Tesla i gubitak snage jezgre niži od 1.3 W/kg kod specifične magnetske indukcije od 1.7 Tesla (T).
11. Strujni transformator naznačen time da obuhvaća dio izrađen od čeličnog lima usmjerenih zrna prema zahtjevu 10.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2012/001475 WO2014020369A1 (en) | 2012-07-31 | 2012-07-31 | Method of production of grain-oriented silicon steel sheet grain oriented electrical steel sheet and use thereof |
| EP13773324.2A EP2880190B1 (en) | 2012-07-31 | 2013-07-30 | Method of production of grain-oriented silicon steel sheet grain oriented electrical steel sheet and use thereof |
| PCT/IB2013/001657 WO2014020406A1 (en) | 2012-07-31 | 2013-07-30 | Method of production of grain-oriented silicon steel sheet grain oriented electrical steel sheet and use thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP20180388T1 true HRP20180388T1 (hr) | 2018-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HRP20180388TT HRP20180388T1 (hr) | 2012-07-31 | 2018-03-06 | Postupak proizvodnje silicijevog čeličnog lima orijentiranih zrna, električnog čeličnog lima orijentiranih zrna i njegova uporaba |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US9831020B2 (hr) |
| EP (1) | EP2880190B1 (hr) |
| JP (3) | JP6294319B2 (hr) |
| KR (1) | KR101575633B1 (hr) |
| CN (1) | CN104884642B (hr) |
| BR (1) | BR112015002254B1 (hr) |
| CA (1) | CA2880724C (hr) |
| DK (1) | DK2880190T3 (hr) |
| EA (1) | EA028436B1 (hr) |
| ES (1) | ES2664326T3 (hr) |
| HR (1) | HRP20180388T1 (hr) |
| HU (1) | HUE038725T2 (hr) |
| IN (1) | IN2015DN00804A (hr) |
| LT (1) | LT2880190T (hr) |
| NO (1) | NO2880190T3 (hr) |
| PL (1) | PL2880190T3 (hr) |
| PT (1) | PT2880190T (hr) |
| RS (1) | RS57048B1 (hr) |
| SI (1) | SI2880190T1 (hr) |
| WO (2) | WO2014020369A1 (hr) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014020369A1 (en) * | 2012-07-31 | 2014-02-06 | Arcelormittal Investigación Y Desarrollo Sl | Method of production of grain-oriented silicon steel sheet grain oriented electrical steel sheet and use thereof |
| KR101505873B1 (ko) | 2014-04-15 | 2015-03-25 | (주)테라에너지시스템 | 분리형 전력용 전자기 유도 장치의 제조 방법 |
| US11239012B2 (en) | 2014-10-15 | 2022-02-01 | Sms Group Gmbh | Process for producing grain-oriented electrical steel strip |
| JP6572864B2 (ja) * | 2016-10-18 | 2019-09-11 | Ｊｆｅスチール株式会社 | 電磁鋼板製造用の熱延鋼板およびその製造方法 |
| KR102251592B1 (ko) * | 2016-11-01 | 2021-05-12 | 제이에프이 스틸 가부시키가이샤 | 방향성 전자 강판의 제조 방법 |
| KR101903008B1 (ko) | 2016-12-20 | 2018-10-01 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR101919521B1 (ko) | 2016-12-22 | 2018-11-16 | 주식회사 포스코 | 방향성 전기강판 및 이의 제조방법 |
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| RU2744789C1 (ru) * | 2017-12-28 | 2021-03-15 | ДжФЕ СТИЛ КОРПОРЕЙШН | Текстурированный лист из электротехнической стали |
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| CN112430778A (zh) * | 2019-08-26 | 2021-03-02 | 宝山钢铁股份有限公司 | 一种薄规格无取向电工钢板及其制造方法 |
| KR102325004B1 (ko) * | 2019-12-20 | 2021-11-10 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조방법 |
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| DE4311151C1 (de) * | 1993-04-05 | 1994-07-28 | Thyssen Stahl Ag | Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten |
| EP0709470B1 (en) * | 1993-11-09 | 2001-10-04 | Pohang Iron & Steel Co., Ltd. | Production method of directional electromagnetic steel sheet of low temperature slab heating system |
| WO1998046802A1 (en) * | 1997-04-16 | 1998-10-22 | Acciai Speciali Terni S.P.A. | New process for the production of grain oriented electrical steel from thin slabs |
| DE102007005015A1 (de) | 2006-06-26 | 2008-01-03 | Sms Demag Ag | Verfahren und Anlage zur Herstellung von Warmband-Walzgut aus Siliziumstahl auf der Basis von Dünnbrammen |
| JP5001611B2 (ja) | 2006-09-13 | 2012-08-15 | 新日本製鐵株式会社 | 高磁束密度方向性珪素鋼板の製造方法 |
| ITRM20070218A1 (it) * | 2007-04-18 | 2008-10-19 | Ct Sviluppo Materiali Spa | Procedimento per la produzione di lamierino magnetico a grano orientato |
| CN101545072B (zh) * | 2008-03-25 | 2012-07-04 | 宝山钢铁股份有限公司 | 一种高电磁性能取向硅钢的生产方法 |
| CN101768697B (zh) * | 2008-12-31 | 2012-09-19 | 宝山钢铁股份有限公司 | 用一次冷轧法生产取向硅钢的方法 |
| JP4840518B2 (ja) * | 2010-02-24 | 2011-12-21 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板の製造方法 |
| JP5741308B2 (ja) | 2010-12-15 | 2015-07-01 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板の製造方法およびその素材鋼板 |
| CN102605267B (zh) | 2012-03-02 | 2013-10-09 | 咸宁泉都带钢科技有限责任公司 | 一种低温加热工艺优化的高磁感取向电工钢板及生产方法 |
| WO2014020369A1 (en) * | 2012-07-31 | 2014-02-06 | Arcelormittal Investigación Y Desarrollo Sl | Method of production of grain-oriented silicon steel sheet grain oriented electrical steel sheet and use thereof |
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| PT2880190T (pt) | 2018-04-05 |
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| KR101575633B1 (ko) | 2015-12-08 |
| RS57048B1 (sr) | 2018-05-31 |
| EP2880190A1 (en) | 2015-06-10 |
| IN2015DN00804A (hr) | 2015-07-03 |
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